package jdbc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.Statement;

/**
 * 根据id删除用户信息
 */
public class JDBCDemo5 {
    public static void main(String[] args) throws Exception {
        //需求:删除id为1的用户
        Class.forName("com.mysql.cj.jdbc.Driver");
        Connection connection = DriverManager.getConnection(
                "jdbc:mysql://localhost:3306/tedu?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&rewriteBatchedStatements=true",
                "root",
                "root");
        System.out.println("与数据库链接成功!");
        Statement statement = connection.createStatement();
        String sql = "DELETE FROM userinfo WHERE id=1";
        int num = statement.executeUpdate(sql);
        System.out.println(num>0?"删除成功":"删除失败");
        connection.close();
    }
}